<script>
var zNodes =[
		    <c:forEach var="tb" items="${pids}" varStatus="status">
			{ id:"${tb.id}", pId:"${tb.pid}" , name:"${tb.name}"},
			</c:forEach>
		];
</script>

?

?jstl标签的循环与js的循环互不干扰，对单个值要加双引号。